98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
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/* LIBPIKA - The PIKA Library
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* Copyright (C) 1995-1999 Peter Mattis and Spencer Kimball
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*
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* pikalimits.h
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* Copyright (C) 1999 Michael Natterer <mitschel@cs.tu-berlin.de>
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*
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* This library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <https://www.gnu.org/licenses/>.
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*/
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#if !defined (__PIKA_BASE_H_INSIDE__) && !defined (PIKA_BASE_COMPILATION)
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#error "Only <libpikabase/pikabase.h> can be included directly."
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#endif
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#ifndef __PIKA_LIMITS_H__
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#define __PIKA_LIMITS_H__
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G_BEGIN_DECLS
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/**
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* SECTION: pikalimits
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* @title: pikalimits
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* @short_description: Boundaries of some PIKA data types and some
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* global constants.
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*
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* Boundaries of some PIKA data types and some global constants.
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**/
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/**
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* PIKA_MIN_IMAGE_SIZE:
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*
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* The minimum width and height of a PIKA image in pixels.
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**/
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#define PIKA_MIN_IMAGE_SIZE 1
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/**
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* PIKA_MAX_IMAGE_SIZE:
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*
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* The maximum width and height of a PIKA image in pixels. This is a
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* somewhat arbitrary value that can be used when an upper value for
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* pixel sizes is needed; for example to give a spin button an upper
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* limit.
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**/
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#define PIKA_MAX_IMAGE_SIZE 524288 /* 2^19 */
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/**
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* PIKA_MIN_RESOLUTION:
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*
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* The minimum resolution of a PIKA image in pixels per inch. This is
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* a somewhat arbitrary value that can be used when a lower value for a
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* resolution is needed. PIKA will not accept resolutions smaller than
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* this value.
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**/
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#define PIKA_MIN_RESOLUTION 5e-3 /* shouldn't display as 0.000 */
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/**
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* PIKA_MAX_RESOLUTION:
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*
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* The maximum resolution of a PIKA image in pixels per inch. This is
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* a somewhat arbitrary value that can be used to when an upper value
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* for a resolution is needed. PIKA will not accept resolutions larger
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* than this value.
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**/
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#define PIKA_MAX_RESOLUTION 1048576.0
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/**
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* PIKA_MAX_MEMSIZE:
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*
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* A large but arbitrary value that can be used when an upper limit
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* for a memory size (in bytes) is needed. It is smaller than
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* %G_MAXDOUBLE since the #PikaMemsizeEntry doesn't handle larger
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* values.
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**/
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#define PIKA_MAX_MEMSIZE ((guint64) 1 << 42) /* 4 terabyte;
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* needs a 64bit variable
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* and must be < G_MAXDOUBLE
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*/
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G_END_DECLS
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#endif /* __PIKA_LIMITS_H__ */
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